%\cite{Turner:FEL2015-WEP052}
\bibitem{Turner:FEL2015-WEP052}
    J.L.~Turner, P.~Baxevanis, F.-J.~Decker, Y.~Ding, Z.~Huang, J.~Krzywinski, \emph{et al.},
%   J.L. Turner \emph{et al.},
   \textquotedblleft{Studies of LCLS FEL Divergence}\textquotedblright,
%  in \emph{Proc. FEL2015}, WEP052, pp. 681--684,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP052, pp. 681--684,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP052, pp. 681--684,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep052.pdf},
    doi:10.18429/JACoW-FEL2015-WEP052, 2015.